CN106225224A - Electric heater - Google Patents
Electric heater Download PDFInfo
- Publication number
- CN106225224A CN106225224A CN201610790164.8A CN201610790164A CN106225224A CN 106225224 A CN106225224 A CN 106225224A CN 201610790164 A CN201610790164 A CN 201610790164A CN 106225224 A CN106225224 A CN 106225224A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pipe
- inner bag
- blow
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/16—Arrangements for water drainage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses a kind of electric heater, including: housing, housing is provided with installing port;Inner bag, inner bag is located in housing, and inner bag is provided with sewage draining exit;Blow-off pipe, blow-off pipe is tightly connected with sewage draining exit and connects with inner bag inside;Air inlet pipe, air inlet pipe stretches into the gas outlet roof adjacent to inner bag of inner bag and air inlet pipe;Air inlet drain valve, air inlet drain valve is located at installing port, and air inlet drain valve has the draining valve body connected with blow-off pipe and the air inlet valve body connected with air inlet pipe, and draining valve body is provided with discharge outlet to be opened/closed, and air inlet valve body is provided with air inlet to be opened/closed.Electric heater according to embodiments of the present invention can realize air inlet, the speed of effluent sewerage while draining, and drainage is good.
Description
Technical field
The present invention relates to hot water facility technical field, more particularly, to a kind of electric heater.
Background technology
Storage-type electric water heater, after using after a while, can deposit the dirts such as a large amount of incrustation scale, silt miscellaneous in inner bag
Matter, makes water quality degenerate and easy breed bacteria.Common clean method is that professional tears machine cleaning open or by drain valve by dirt
Water is discharged.Have employed drain valve in correlation technique and carry out draining, but there is the problem that drainage speed is slow, drainage efficiency is relatively low.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention carries
Having gone out a kind of electric heater, described electric heater drainage speed is very fast.
Electric heater according to embodiments of the present invention, including: housing, described housing is provided with installing port;Inner bag, described interior
Gallbladder is located in described housing, and described inner bag is provided with sewage draining exit;Blow-off pipe, described blow-off pipe and described sewage draining exit be tightly connected and
Connect with described inner bag inside;Air inlet pipe, described air inlet pipe stretches into the gas outlet of described inner bag and described air inlet pipe adjacent to described
The roof of inner bag;Air inlet drain valve, described air inlet drain valve is located at described installing port, and described air inlet drain valve has with described
The draining valve body of blow-off pipe connection and the air inlet valve body that connects with described air inlet pipe, described draining valve body is provided with row to be opened/closed
The mouth of a river, described air inlet valve body is provided with air inlet to be opened/closed.
Electric heater according to embodiments of the present invention can realize air inlet while draining, and the speed of effluent sewerage is relatively
Hurry up, drainage is good.
It addition, electric heater according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to some embodiments of the present invention, described draining valve body includes: valve body, and described valve body is provided with described row
The mouth of a river;Valve gap, described valve gap is connected with described valve body, and described air inlet valve body is located on described valve gap, under described air inlet pipe
End stretches into described valve gap and is connected with described air inlet valve body;Fixing nut, described fixing nut sleeve be located on described valve gap and with
Described blow-off pipe is threaded.
According to some embodiments of the present invention, the inner peripheral surface of the bottom of described fixing nut connects with the outer peripheral face of described valve gap
Touching, the inner peripheral surface on the top of described fixing nut is provided with female thread and be formed as spaced apart with the outer peripheral face of described valve gap is assembled
Groove, the outer peripheral face of the bottom of described blow-off pipe is provided with external screw thread, and the lower thread of described blow-off pipe is connected to described fitting recess
In.
According to some embodiments of the present invention, also include: jump ring, the inner peripheral surface of the bottom of described fixing nut and described valve
Having cooperatively formed draw-in groove between the outer peripheral face of lid, described jump ring is located in described draw-in groove, upwards moves limiting described fixing nut
Dynamic.
According to some embodiments of the present invention, also include: sealing ring, described sealing ring be located in described fitting recess and with institute
The lower end stating blow-off pipe is only supported.
According to some embodiments of the present invention, described installing port is formed as circular port, and the top of described fixing screw thread wears
In described installing port, the radial dimension of described installing port is more than the maximum radial dimension on the top of described fixing screw thread and is less than
The smallest radial size of the bottom of described fixing nut.
According to some embodiments of the present invention, the outer peripheral face of the upper end of described blow-off pipe is provided with cannelure, described blowdown
The periphery of mouth is along being only against in described cannelure.
According to some embodiments of the present invention, also include: magnesium rod, described magnesium rod is located in described inner bag, and described valve gap is stretched
Enter described inner bag and threaded with described magnesium rod, being formed between described valve gap and described blow-off pipe and turn on described discharge outlet
Drainage channel.
According to some embodiments of the present invention, described air inlet pipe is connected on described magnesium rod.
According to some embodiments of the present invention, described magnesium rod is provided with the mounting groove vertically extended, described air inlet
Pipe is located in described mounting groove.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric heater according to embodiments of the present invention;
Fig. 2 is the structure for amplifying schematic diagram in Fig. 1 at A;
Fig. 3 is the part-structure schematic diagram of electric heater according to embodiments of the present invention;
Fig. 4 is the top view of structure shown in Fig. 3;
Fig. 5 is the sectional view of structure shown in Fig. 3;
Fig. 6 is the three-view diagram of the magnesium rod of electric heater according to embodiments of the present invention.
Reference:
Electric heater 100;
Housing 10;Installing port 101;
Inner bag 20;Sewage draining exit 201;
Blow-off pipe 30;External screw thread 301;Cannelure 302;
Air inlet pipe 40;Gas outlet 401;
Air inlet drain valve 50;Draining valve body 51;Discharge outlet 510;Valve body 511;Valve gap 512;Fixing nut 513;Air inlet
Valve body 52;Air inlet 520;Fitting recess 501;Draw-in groove 502;Female thread 503;Drainage channel 504;Jump ring 53;Sealing ring 54;
Magnesium rod 60;Magnesium rod body 61;Threaded rod 62;Mounting groove 601;
Heat-insulation layer 70;
Water inlet pipe 81;Outlet pipe 82;Add heat pipe 83;Relief valve 84.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Describe electric heater 100 according to embodiments of the present invention below in conjunction with the accompanying drawings in detail.
Referring to figs. 1 through shown in Fig. 6, electric heater 100 according to embodiments of the present invention can include housing 10, inner bag 20,
Blow-off pipe 30, air inlet pipe 40 and air inlet drain valve 50.
Specifically, inner bag 20 can be located in housing 10, housing 10 can be provided with installing port 101, inner bag 20 sets
There is sewage draining exit 201.Blow-off pipe 30 can be tightly connected with sewage draining exit 201 and connect with inner bag 20 inside.Alternatively, blow-off pipe
The upper end of 30 can be stretched in inner bag 20 through sewage draining exit 201, it is also possible to does not stretch into inner bag 20, is only sticked at sewage draining exit 201
Periphery is along upper.Air inlet pipe 40 can stretch into the gas outlet 401 of inner bag 20 and air inlet pipe 40 can be adjacent to the roof of inner bag 20.By
This, can be avoided the water in inner bag 20 to enter in air inlet pipe 40 as far as possible, avoids during air inlet causing the water in inner bag 20 simultaneously
Disturbance.
Air inlet drain valve 50 can be located at installing port 101, and air inlet drain valve 50 can have draining valve body 51 and air inlet
Valve body 52, draining valve body 51 can connect with blow-off pipe 30, and air inlet valve body 52 can be with air inlet pipe 40 connected component.Draining valve body 51
On can be provided with discharge outlet 510 to be opened/closed, air inlet valve body 52 is provided with air inlet 520 to be opened/closed.
Specifically, in normal state, discharge outlet 510 and air inlet 520 are in closed mode, at air inlet drain valve 50
In closed mode, not water vent not air inlet;When electric heater 100 needs draining, can open discharge outlet 510, inner bag 20 leads to
Crossing blow-off pipe 30 and draining valve body 51 is in communication with the outside, the water in inner bag 20 sequentially passes through blow-off pipe 30 and draining valve body 51,
Discharging from discharge outlet 510, meanwhile, air inlet 520 is opened, and internal air inlet pipe 40 and the air inlet valve body 52 of passing through of inner bag 20 is with outer
Boundary connects, and outside air can enter from air inlet 520, sequentially passes through air inlet valve body 52 and air inlet pipe 40, enters from gas outlet 401
Enter in inner bag 20.Air inlet and draining can respectively refer in Fig. 2 shown in arrow up and down.
Thus, inner bag 10 will not form the closed system of and extraneous partition when draining, can be while draining
Realizing the importing of ambient atmos, make draining and air inlet carry out simultaneously, keep the air pressure balance inside and outside inner bag 20, drainage speed is relatively
Hurry up.
It is understood that the mode realizing air inlet 520 and discharge outlet 510 opening and closing can have multiple, enter
QI KOU 520 and discharge outlet 510 can use Manual mechanical operation to realize opening and closing, it would however also be possible to employ electronic self-action realizes opening
Closing, this is appreciated that for a person skilled in the art and easily realizes, and is not described in detail at this.
Electric heater 100 according to embodiments of the present invention, by arranging air inlet drain valve 50 and the blowdown being attached thereto
Pipe 30 and air inlet pipe 40, can be directed into outside air in inner bag 20 while draining, be greatly improved electric heater 100
Discharging the speed of sewage in inner bag 20, effectively solve the slow-footed problem of effluent sewerage in correlation technique, drainage efficiency promotes, can
To realize the rapid cleaning to inner bag 20, it is ensured that user's water hygiene;This air inlet drain valve 50 can be that the draining of a kind of machinery is entered
Depressed structure, structure is simple and direct, convenient manufacture and installation.
Referring to figs. 1 through shown in Fig. 5, according to some embodiments of the present invention, draining valve body 51 can include valve body 511,
Valve gap 512 and fixing nut 513, valve body 511 can be provided with discharge outlet 510.Valve gap 512 can be connected with valve body 511,
Openings can be provided with, so that the inside of draining valve body 51 can connect with the inside of blow-off pipe 30 on valve gap 512.Alternatively,
Valve body 511 can be threadeded with valve gap 512, to realize firm assembling and easy disassembly.
Air inlet valve body 52 can be located on valve gap 512, and valve gap 512 and and intake valve can be stretched in the lower end of air inlet pipe 40
Body 52 is connected.Fixing nut 513 can be set on valve gap 512 and threaded with blow-off pipe 30.Thus, draining valve body 51
Can realize the connection with blow-off pipe 30 by fixing nut 513, draining valve body 51 can be connected with air inlet valve body 52 simultaneously, knot
Structure is compact.
Can threaded with blow-off pipe 30 in the top of fixing nut 513.Specifically, as shown in Figure 1, Figure 2 with shown in Fig. 5,
The inner peripheral surface of the bottom of fixing nut 513 can contact with the outer peripheral face of valve gap 512, the inner peripheral surface on the top of fixing nut 513
On can be provided with female thread 503, and the inner peripheral surface on the top of fixing nut 513 can be spaced apart with the outer peripheral face of valve gap 512
Form fitting recess 501.Can be provided with external screw thread 301 on the outer peripheral face of the bottom of blow-off pipe 30, the lower thread of blow-off pipe 30 is even
Being connected in fitting recess 501, in i.e. the bottom of blow-off pipe 30 can extend into fitting recess 501, the external screw thread 301 of blow-off pipe 30 is permissible
Engage with the female thread 503 of fixing nut 513.Thus, it is possible to realize air inlet drain valve 50 and blow-off pipe 30 firm, accurately and
The assembling relatively sealed.
As depicted in figs. 1 and 2, in fitting recess 501, it is also provided with sealing ring 54, when blow-off pipe 30 extend into fitting recess
Time in 501, the lower end of blow-off pipe 30 only can be supported with the upper surface of sealing ring 54.Thus, it is possible to improve blow-off pipe 30 and air inlet
The connection sealing of drain valve 50, is prevented effectively from air inlet drain valve 50 and occurs leaking.Alternatively, sealing ring 54 can be rubber
Circle.
Further, as depicted in figs. 1 and 2, electric heater 100 according to embodiments of the present invention can also include jump ring
53, draw-in groove 502 can be cooperatively formed between inner peripheral surface and the outer peripheral face of valve gap 512 of the bottom of fixing nut 513, jump ring 53 can
To be located in draw-in groove 502, move up with the fixing nut 513 of restriction.It is to say, fixing nut 513 can be entered by jump ring 53
Row axial limiting, makes fixing nut 513 accurate installation to put in place, it is to avoid installation site is too high or too low, and installs
The most firm.
As in figure 2 it is shown, the inner peripheral surface of the bottom of fixing nut 513 is provided with a groove, on the outer peripheral face of valve gap 512 also
Being provided with a groove, two grooves can cooperatively form draw-in groove 502, when jump ring 53 is located in draw-in groove 502, and the one of jump ring 53
Part is positioned at a groove, and another part of jump ring 53 is positioned at another groove.Jump ring 53 can be with fixing nut 513
The wall surface of groove only supports, such that it is able to fixing nut 513 is constituted backstop, prevents fixing nut 513 from continuing to move up.?
When assembling this structure, first sealing ring 54 and jump ring 53 can be set on valve gap 512, then re-tighten fixing nut 51 i.e.
Can, assembly manipulation is convenient.
The shape of installing port 101 can have multiple, and alternatively, installing port 101 can be formed as circular port.Circular installation
The convenient manufacture of mouth 101 and profile are the most attractive in appearance.Referring to figs. 1 through shown in Fig. 4, fixing nut 513 top can be located in installation
In mouth 101, the radial dimension of installing port 101 is more than the maximum radial dimension on the top of fixing nut 513 and less than fixing spiral shell
The smallest radial size of the bottom of female 513.Thus, fixing nut 513 realize in being possible not only to conveniently extend into installing port 101 with
The connection of blow-off pipe 30, but also installing port 101 can be blocked, convenient for assembly while make profile more attractive, structure
More compact.
Alternatively, the shape of the upper and lower of fixing nut 513 can be the same or different, fixing nut 513
Top can be formed as cylindrical shape or polygonal annular, and lower side face is similar.As shown in Figure 3 and Figure 4, fixing nut 513 times
The outer peripheral face of the stub end in portion is formed as being provided with trimming between regular hexagon, and two adjacent limits, fixing nut 513
The outer peripheral face of the little head end on top is formed as circular.Thus, fixing nut 513 is good with housing 10 conformability, the most conveniently carries out
Fixing nut 513 is carried out rotation process.
As depicted in figs. 1 and 2, the outer peripheral face of the upper end of blow-off pipe 30 can be provided with cannelure 302, sewage draining exit 201
Periphery is along can only be against in cannelure 302.Thus, it is possible to make blow-off pipe 30 install more accurately and firm, it is to avoid blow-off pipe 30
Stretch into excessive in inner bag 20.As in figure 2 it is shown, the upper end of blow-off pipe 30 can setting concordant with the inner peripheral surface of inner bag 20.Thus,
Will not form inwardly projecting structure at sewage draining exit 201, will not constitute the outflow of sewage and stop, draining is more smooth and easy, is conducive to
The thorough discharge of sewage, drainage effect improves.
Electric heater 100 according to embodiments of the present invention can also include magnesium rod 60, referring to figs. 1 through shown in Fig. 6, and magnesium rod 60
Can be located in inner bag 20, valve gap 512 can stretch into inner bag 20 and threaded with magnesium rod 60, valve gap 512 and blow-off pipe 30
Between could be formed with drainage channel 504, drainage channel 504 can turn on openings, makes the water in inner bag 20 to pass through
Drainage channel 504 and openings enter in draining valve body 51.This structure can be by magnesium rod 60 and air inlet drain valve when assembling
Install the most together after 50 prepackages, easy to assembly, it is possible to reduce the generation of incrustation scale in inner bag 20, draining is affected relatively simultaneously
Little.
As shown in Figure 3 and Figure 6, magnesium rod 60 can include magnesium rod body 61 and threaded rod 62, and threaded rod 62 can be located at magnesium
The lower section of rod body 61, the bottom of threaded rod 62 can be stretched into valve gap 512, and realize threadeding with valve gap 512, threaded rod
Magnesium rod body 61 can be stretched in the top of 62, and threadeds with magnesium rod body 61.Thus, it is possible to be convenient for changing magnesium rod 60.
In some of the present invention more preferably in embodiment, air inlet pipe 40 can be connected on magnesium rod 60.Thus, it is not necessary to single
Solely being provided for the structure of fixing air inlet pipe 40, air inlet pipe 40 firmly installs, and electric heater 100 manufacturing cost is relatively low.Air inlet pipe
40 structures cooperated with magnesium rod 60 can be formed as multiple, and alternatively, as shown in Figures 1 to 6, magnesium rod 60 can be formed as
Trough of belt magnesium rod, magnesium rod 60 can be provided with mounting groove 601, and mounting groove 601 vertically extends, and air inlet pipe 40 can be located at peace
In tankage 601.Thus, magnesium rod 60 can have bigger Area of bearing, not only firm supporting convenient dress simultaneously to air inlet pipe 40
Join operation.As shown in Figure 6, mounting groove 601 can be arranged on the lateral surface of magnesium rod body 61, and along the axle of magnesium rod body 61
To through to top from bottom, to facilitate receiving air inlet pipe 50 to pass through.
As it is shown in figure 1, inner bag 20 is arranged on housing 10 inside, can between outer peripheral face and the outer peripheral face of housing 10 of inner bag 20
It is provided with heat-insulation layer 70, so that the water in inner bag 20 to be incubated.Installing port 101 can be provided with on housing 10, inner bag 20 sets
Having sewage draining exit 201, installing port 101 is corresponding with sewage draining exit 201 position in the vertical direction, and installing port 101 is coaxial with sewage draining exit 201
Arrange, to facilitate parts to assemble.It is additionally provided with water inlet pipe 81, outlet pipe 82 in housing 10 and adds heat pipe 83, on water inlet pipe 81
Relief valve 84 can be provided with, to ensure the use safety of electric heater 100.
Other of electric heater 100 according to embodiments of the present invention constitute and operate the ordinary skill people for this area
It is knowable for Yuan, is not described in detail at this.
In describing the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left ",
The orientation of the instruction such as " right ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axially ", " radially ", " circumferential " or position
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be that machinery connects
Connect, it is also possible to be electrical connection or each other can communication;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " concrete example " etc.
Description means to combine this embodiment or example describes specific features, structure, material or feature be contained in the present invention extremely
In a few embodiment or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical
Embodiment or example.And, the specific features of description, structure, material or feature can with one or more embodiments in office or
Example combines in an appropriate manner.Additionally, in the case of the most conflicting, those skilled in the art can be by this explanation
Different embodiments or the feature of example and different embodiment or example described in book are combined and combine.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. an electric heater, it is characterised in that including:
Housing, described housing is provided with installing port;
Inner bag, described inner bag is located in described housing, and described inner bag is provided with sewage draining exit;
Blow-off pipe, described blow-off pipe is tightly connected with described sewage draining exit and connects with described inner bag inside;
Air inlet pipe, described air inlet pipe stretches into the gas outlet roof adjacent to described inner bag of described inner bag and described air inlet pipe;
Air inlet drain valve, described air inlet drain valve is located at described installing port, and described air inlet drain valve has and described blow-off pipe
The draining valve body connected and the air inlet valve body connected with described air inlet pipe, described draining valve body is provided with discharge outlet to be opened/closed,
Described air inlet valve body is provided with air inlet to be opened/closed.
Electric heater the most according to claim 1, it is characterised in that described draining valve body includes:
Valve body, described valve body is provided with described discharge outlet;
Valve gap, described valve gap is connected with described valve body, and described air inlet valve body is located on described valve gap, the lower end of described air inlet pipe
Stretching into described valve gap and be connected with described air inlet valve body, described valve gap is provided with the openings connected with described blow-off pipe;
Fixing nut, described fixing nut sleeve is located on described valve gap and threadeds with described blow-off pipe.
Electric heater the most according to claim 2, it is characterised in that the inner peripheral surface of the bottom of described fixing nut is with described
Valve gap outer peripheral face contact, the inner peripheral surface on the top of described fixing nut be provided with female thread and and the outer peripheral face of described valve gap between
Separating formation fitting recess, the outer peripheral face of the bottom of described blow-off pipe is provided with external screw thread, and the lower thread of described blow-off pipe connects
In described fitting recess.
Electric heater the most according to claim 3, it is characterised in that also include: jump ring, the bottom of described fixing nut
Cooperatively forming draw-in groove between the outer peripheral face of inner peripheral surface and described valve gap, described jump ring is located in described draw-in groove, described solid to limit
Determine nut to move up.
Electric heater the most according to claim 3, it is characterised in that also include: sealing ring, described sealing ring is located at described
Interior and with described blow-off pipe the lower end of fitting recess is only supported.
Electric heater the most according to claim 2, it is characterised in that described installing port is formed as circular port, described fixing
The top of screw thread is located in described installing port, and the radial dimension of described installing port is more than the maximum on the top of described fixing screw thread
Radial dimension and the smallest radial size of the bottom less than described fixing nut.
Electric heater the most according to claim 1, it is characterised in that the outer peripheral face of the upper end of described blow-off pipe is provided with ring
Shape groove, the periphery of described sewage draining exit is along being only against in described cannelure.
8. according to the electric heater according to any one of claim 2-7, it is characterised in that also include: magnesium rod, described magnesium rod sets
In described inner bag, described valve gap stretches into described inner bag and threadeds with described magnesium rod, described valve gap and described blow-off pipe it
Between be formed with the drainage channel turned on described openings.
Electric heater the most according to claim 8, it is characterised in that described air inlet pipe is connected on described magnesium rod.
Electric heater the most according to claim 9, it is characterised in that described magnesium rod is provided with and vertically extends
Mounting groove, described air inlet pipe is located in described mounting groove.
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CN201620426211 | 2016-05-11 | ||
CN2016204262116 | 2016-05-11 |
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CN201621022758.6U Active CN206222674U (en) | 2016-05-11 | 2016-08-31 | Electric heater |
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Cited By (1)
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CN113932450A (en) * | 2021-12-15 | 2022-01-14 | 聊城市开发区精科激光设备有限公司 | Automatic detection and automatic control device for leak tightness of electric water heater |
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CN106225224A (en) * | 2016-05-11 | 2016-12-14 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
CN109667105B (en) * | 2017-10-17 | 2023-11-14 | 无锡小天鹅电器有限公司 | Microbubble generation circulation system |
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CN104110824A (en) * | 2013-12-06 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
CN104110832A (en) * | 2014-01-07 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
CN103759408A (en) * | 2014-01-13 | 2014-04-30 | 法罗力热能设备(中国)有限公司 | Electric water heater with water scale detecting function, alarming function and automatic cleaning function |
CN203948685U (en) * | 2014-07-15 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Water heater and blowdown valve thereof |
CN104110827A (en) * | 2014-07-16 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
CN204115240U (en) * | 2014-09-30 | 2015-01-21 | 芜湖美的厨卫电器制造有限公司 | Water heater and blowdown assembly thereof |
CN204610959U (en) * | 2015-05-06 | 2015-09-02 | 台州中天卫厨有限公司 | One key escape cock |
CN206222674U (en) * | 2016-05-11 | 2017-06-06 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113932450A (en) * | 2021-12-15 | 2022-01-14 | 聊城市开发区精科激光设备有限公司 | Automatic detection and automatic control device for leak tightness of electric water heater |
CN113932450B (en) * | 2021-12-15 | 2022-03-08 | 聊城市开发区精科激光设备有限公司 | Automatic detection and automatic control device for leak tightness of electric water heater |
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